From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 66B12A00C4 for ; Thu, 30 Jun 2022 14:56:23 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 5E66740223; Thu, 30 Jun 2022 14:56:23 +0200 (CEST) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by mails.dpdk.org (Postfix) with ESMTP id C6B4E40223 for ; Thu, 30 Jun 2022 14:56:22 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1656593782; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=qm8TUc9zsFM/9BmdPYzSO+W/Q2T6mQkJugi/xeqU+Ts=; b=UL2InNy6xGTBgIzdqqQxVq/DR3ts+eiH5qWDk27MY2mlN7MPG5v8+9i0DS9RXim9LfUoQm DFEBOanJvRbNRbI85E8Tkp/NUhzXQV2zz5JX8bBBuvKdN/AVnuF8rKAJ3hLX9Fbqb/yjvz XrZqOjPWkxACL1Wwi4bDKj703aFdkvQ= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-341-65Pz9WhhO8-M5bkykkQ-qw-1; Thu, 30 Jun 2022 08:56:19 -0400 X-MC-Unique: 65Pz9WhhO8-M5bkykkQ-qw-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id C399C398CA64; Thu, 30 Jun 2022 12:56:18 +0000 (UTC) Received: from [10.39.208.33] (unknown [10.39.208.33]) by smtp.corp.redhat.com (Postfix) with ESMTPS id F00BE18EAD; Thu, 30 Jun 2022 12:56:16 +0000 (UTC) Message-ID: <23f172de-a052-a7a9-970c-c674a3d2113d@redhat.com> Date: Thu, 30 Jun 2022 14:56:15 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.10.0 Subject: Re: [PATCH v2] vdpa/sfc: handle sync issue between qemu and vhost-user To: abhimanyu.saini@xilinx.com, dev@dpdk.org Cc: chenbo.xia@intel.com, andrew.rybchenko@oktetlabs.ru, stable@dpdk.org, Abhimanyu Saini , Vijay Kumar Srivastava References: <20220627084917.2295-1-asaini@xilinx.com> <20220628052926.21319-1-asaini@xilinx.com> From: Maxime Coquelin In-Reply-To: <20220628052926.21319-1-asaini@xilinx.com> X-Scanned-By: MIMEDefang 2.79 on 10.11.54.5 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=maxime.coquelin@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org On 6/28/22 07:29, abhimanyu.saini@xilinx.com wrote: > From: Abhimanyu Saini > > When DPDK app is running in the VF, it sometimes rings the doorbell > before dev_config has had a chance to complete and hence it misses > the event. As workaround, ring the doorbell when vDPA reports the > notify_area to QEMU. > > Fixes: 630be406dcbf ("vdpa/sfc: get queue notify area info") > Cc: stable@dpdk.org > > Signed-off-by: Vijay Kumar Srivastava > Signed-off-by: Abhimanyu Saini > --- > v1: > * Update the commit id that this patch fixes > > drivers/vdpa/sfc/sfc_vdpa_ops.c | 14 ++++++++++++++ > 1 file changed, 14 insertions(+) > Reviewed-by: Maxime Coquelin Thanks, Maxime